Thermo RSK400SD4 Shelf Kit w/ Racks and Boxes For Ultra-Low Temperature Freezers Maximize storage space with Shelf Kits with Racks and Boxes for Thermo Scientific™ Ultra-Low Temperature Freezers, featuring 2″ boxes with dividers. Brand new, never installed. See photos.

Thermo RSK400SD4 Shelf Kit w/ Racks and Boxes For Ultra-Low Temperature Freezers Only includes three of the shelf units- one is missing which is the reason for the reduced price. See photos. Maximize storage space with Shelf Kits with Racks and Boxes for Thermo Scientific™ Ultra-Low Temperature Freezers, featuring 2″ boxes with dividers. Brand new, never installed. See photos.